How to dispose of cat litter waste in 5 steps

An average cat produces roughly 40 lbs of soiled litter per year, and for most cat owners, that waste ends up sitting in open bags or overflowing bins between collection days.

The result is a persistent odour that spreads through the home every time the lid comes off.

A better disposal system exists, one that keeps things clean without multiplying trips to the outdoor bin.

These 5 steps cover how to dispose of cat litter waste properly, from the daily scoop to odour-free containment in a dedicated bag and bin setup.

1. Scoop cat litter waste from the tray daily

Scooping cat litter waste from the tray at least once a day is the first step in the process because waste left sitting in the litter generates odour that spreads through the room within hours. Use a sturdy scoop designed for clumping litter, remove all solid clumps and saturated clusters, and shake excess clean litter back into the tray. Place the scooped waste directly into a bag or dedicated disposal system, not an open bin.

This daily routine saves time on full litter replacements and keeps the tray inviting for the cat between changes. Multi-cat households should use one tray per cat and scoop each tray at least twice daily to keep odour under control. Once waste leaves the tray, the next priority is keeping it contained before it ever reaches the rubbish.

2. Bag used litter to lock odour between scoops

Tying off used litter in a dedicated bag immediately after scooping is what prevents odour from escaping into the room. Push out excess air before knotting each bag tightly, and double-bag if the material is thin.

Several options work well:

• Small refuse bags for most clumping litter setups.

• Biodegradable bags made from corn, wood fibre, or paper.

• Newspaper wraps for owners aiming to minimise waste.

Biodegradable bags break down faster in landfill than standard plastic but perform the same odour-containment function during the disposal process. They're an environmentally friendly choice that helps reduce plastic waste entering the environment without changing the routine. Clay litter is heavier when saturated than plant-based alternatives, so sturdier bag materials hold up better under the weight. Avoid scented bags that mask odour with fragrance rather than locking it inside.

Bagging controls the immediate odour, but the bags still need somewhere to go between collection days.

3. Use a litter bin to lock cat litter waste between collection days

A litter bin locks cat litter waste and its odour inside a contained system between collection days, replacing the need for daily trips to an outdoor bin. The process works in 3 steps:

1. Scoop the waste from the tray.

2. Drop it into the bin .

3. Lock the odour inside.

Multi-layer film with odour-locking barrier technology traps odour at the source, so nothing escapes into the home.

Several options are available, from compact litter bins for single-cat households to larger units that hold up to 21 days of waste per cat. Place one right beside the litter tray to use the system without extra steps. For cat owners who default to the bag-and-run routine, a dedicated bin is the clean, contained alternative that keeps odour locked away until collection day. When the bin fills, the waste still needs a final destination outside the home.

4. Place bagged litter in an outdoor bin

Most households in North America rely on an outdoor bin with a tight-fitting lid for bagged cat litter waste disposal. With roughly 47 million cat-owning households generating used litter daily (APPA), kerbside refuse collection is the safest and most practical way for people to handle the waste. A bin with a secure lid keeps animals out and locks odour away from living spaces.

Most local authorities accept cat litter in regular household rubbish, so no special collection is needed. Never place cat litter waste in recycling bins, regardless of litter type. If using a litter bin , empty the full bag directly into the outdoor bin when it's ready, with no re-bagging required. Once the waste is removed, the tray itself still needs a quick refresh before the cycle starts again.

5. Refresh the litter tray after disposal

Refreshing the litter tray after each disposal cycle keeps the process running smoothly and prevents odour build-up between scoops. Top up with fresh litter after every scoop to maintain 2–3 inches of clean depth, and replace the full contents every 2–4 weeks for clumping litters.

During full changes, rinse the tray with mild unscented soap and warm water. Avoid bleach, ammonia, or scented cleaners because residue from harsh products can deter the cat from using the tray. Replace the tray itself every 1–2 years, as scratches in the plastic trap waste over time and become harder to keep odour-free.

Note: residue from harsh cleaning products is often enough on its own to make a cat avoid the tray. When in doubt, stick to plain warm water and an unscented soap.

The 5 steps above cover the correct way to dispose of cat litter waste, but a few common disposal methods can create bigger problems than they solve.

Which cat litter waste disposal methods should be avoided?

Cat litter waste disposal methods that seem convenient, such as flushing or dumping outdoors, may cause problems for plumbing, water systems, and the surrounding environment. Composting is possible with the right litter type but requires strict conditions to be safe. Clay-based litter is especially problematic because it does not break down in water or soil.

Flushing cat litter down the toilet

Flushing cat litter clogs plumbing because clay-based and most clumping litters expand in water and do not dissolve. Even litters marketed as "flushable" may cause build-up over time because the material does not fully break down during the wastewater treatment process. Municipal water systems across North America are not designed to handle cat waste, and regulations in some jurisdictions specifically discourage flushing cat litter. The safer option is to bag the waste and place it in the rubbish.

What happens when cat litter waste is dumped outdoors?

Dumping used cat litter in the garden, yard, or near surface water drains introduces contaminants into the local environment. Cat waste does not break down in the same way as herbivore manure, so people who bury or scatter litter outdoors may be creating contamination problems in surrounding soil and water systems without realising it. Rain washes exposed waste into nearby waterways, which is why no safe outdoor disposal method exists for cat litter.

The only way to reduce the risk is to keep cat litter waste contained in bags and place it in a closed bin for kerbside collection.

Explore Litter Genie® litter bins

Cat litter waste disposal does not have to mean daily trips to the outdoor bin, lingering odours, or open bags sitting in the kitchen bin.

Litter Genie® litter bins use odour-locking barrier technology to keep waste contained for up to 21 days per cat, paired with litter binrefills that make the system the best way to maintain a clean, odour-free home between collection days.

Explore the full range to find the right fit for any setup.

Frequently asked questions about cat litter waste disposal

How often should cat litter waste be disposed of?

Scoop the tray at least once a day to prevent waste from sitting in the litter long enough to generate odour, and replace the full contents every 2–4 weeks for clumping formulas. If using a litter bin, empty it every 8–21 days depending on the model and number of cats to keep clean-outs manageable.

Can cat litter waste go in the compost?

Only biodegradable litters made from wood, corn, wheat, or paper may be composted, and only in a dedicated pet waste compost bin kept away from food gardens and waterways. Most cat owners find regular rubbish disposal safer and more practical because home composting systems rarely reach the high temperatures needed to break down contaminants in cat waste.

What is the best bag for disposing of cat litter waste?

Sturdy, leak-proof bags that tie off tightly without tearing work best, with biodegradable options made from corn or paper reducing plastic waste without losing containment strength. Heavy clay-based litter calls for thicker materials or double-bagging to handle the weight.

How is cat litter waste disposed of in a flat?

A compact Litter Genie® binfits beside any litter tray and locks odours inside between rubbish runs, which is especially useful in flats without easy access to an outdoor bin. It eliminates the need to place bagged waste in the kitchen or bathroom bin and helps keep the home fresh in a smaller space.

Does cat litter waste go in the recycling bin?

No, cat litter waste is not recyclable regardless of the litter type. The correct way to dispose of it is through regular household rubbish collection in a closed bin. You can also check local waste management guidelines for any specific requirements in your area.

How long can cat litter waste sit before it starts to smell?

Used cat litter starts producing noticeable odours within a few hours, which is why daily scooping and immediate containment are recommended. Once waste is sealed inside a tied-off bag or a litter bin, the odour remains contained for days regardless of how long it sits before the next collection day.

How should cat litter waste be stored between collection days?

Cat litter waste should be stored in a closed container with a tightly fitting lid, ideally a dedicated litter binthat uses an odour-locking barrier. Loose bags left in a kitchen or bathroom bin allow odours to escape every time the lid is opened, which is the primary source of lingering smells between collection days.

Is pine or wood cat litter disposed of the same way as clay?

Pine and wood cat litters are disposed of in the same way as clay-based litter through regular household rubbish because municipal wastewater systems do not accept cat litter through toilets. The main difference is that plant-based options break down more quickly in landfill, while clay does not decompose at all.